* {
    margin: 0;
    padding: 0;
    list-style-type: none;
    box-sizing: border-box;
}
a {
    text-decoration: none;
    color: #000;
}
.app {
    height: 100%;
}
body,#root {
    height: 100%;
}
body{
    min-width: 1511px;
}
img {
    vertical-align: middle;
}